Combat.
Something done, often so as to accomplish a purpose.
A religious performance or solemn function, i.e. action sermon, a sacramental sermon in the Scots Presbyterian Church.
The mechanism, that is the set of moving mechanical parts, of a keyboard instrument, like a piano, which transfers the motion of the key to the sound-making device.
The effort of performing or doing something.
a process existing in or produced by nature (rather than by the intent of human beings).
A way of motion or functioning.
The way in which a mechanical device acts when used; especially a firearm.
Fast-paced activity.
The event or connected series of events, either real or imaginary, forming the subject of a play, poem, or other composition; the unfolding of the drama of events.
The distance separating the strings and the fretboard on a guitar or other string instrument.
A charge or other process in a law court (also called lawsuit and actio).
A mapping from a pairing of mathematical objects to one of them, respecting their individual structures. The pairing is typically a Cartesian product or a tensor product. The object that is not part of the output is said to act on the other object. In any given context, action is used as an abbreviation for a more fully named notion, like group action or left group action.
The attitude or position of the several parts of the body as expressive of the sentiment or passion depicted.
Sexual intercourse.
spin put on the bowling ball.
The product of energy and time, especially the product of the Lagrangian and time.
The way in which cartridges are loaded, locked, and extracted from the mechanism.
Demanding or signifying the start of something, usually a performance.
arrogant
To act on a request etc, in order to put it into effect.
Protracted armed conflict against irregular forces, particularly groups considered terrorists.
A particular conflict of this kind.
Organized, large-scale, armed conflict between countries or between national, ethnic, or other sizeable groups, usually but not always involving active engagement of military forces.
A prolonged conflict between two groups of organized criminals, usually over organizational or territorial control.
Any of a family of card games where all cards are dealt at the beginning of play and players attempt to capture them all, typically involving no skill and only serving to kill time.
An argument between two or more people with opposing opinions on a topic or issue.
A protracted instance of fierce competition in trade.
Campaigns against various social problems.
To carry on, as a contest; to wage.
To engage in conflict (may be followed by "with" to specify the foe).